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206 lines
9.0 KiB
C++
206 lines
9.0 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#include "srsran/asn1/liblte_mme.h"
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#include "srsran/common/test_common.h"
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#include "srsran/srslog/srslog.h"
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#include <iostream>
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#include <srsran/common/buffer_pool.h>
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#include <srsran/common/int_helpers.h>
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int nas_dedicated_eps_bearer_context_setup_request_test()
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{
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auto& nas_logger = srslog::fetch_basic_logger("NAS", false);
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nas_logger.set_level(srslog::basic_levels::debug);
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nas_logger.set_hex_dump_max_size(128);
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srsran::unique_byte_buffer_t tst_msg, out_msg;
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tst_msg = srsran::make_byte_buffer();
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TESTASSERT(tst_msg != nullptr);
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out_msg = srsran::make_byte_buffer();
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TESTASSERT(out_msg != nullptr);
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LIBLTE_MME_ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_MSG_STRUCT ded_bearer_req;
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LIBLTE_ERROR_ENUM err;
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uint8_t nas_message[] = {0x27, 0x35, 0x11, 0xfd, 0xf6, 0x07, 0x62, 0x00, 0xc5, 0x05, 0x01, 0x01, 0x07, 0x21,
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0x31, 0x00, 0x03, 0x40, 0x08, 0xae, 0x5d, 0x02, 0x00, 0xc2, 0x81, 0x34, 0x01, 0x4d};
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uint32_t nas_message_len = sizeof(nas_message);
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// Unpack Activate Dedicated EPS bearer context setup request
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tst_msg->N_bytes = nas_message_len;
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memcpy(tst_msg->msg, nas_message, nas_message_len);
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nas_logger.info(tst_msg->msg, tst_msg->N_bytes, "NAS Activate Dedicated EPS Bearer Context Request original message");
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// Test message type and protocol discriminator
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uint8_t pd, msg_type;
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liblte_mme_parse_msg_header((LIBLTE_BYTE_MSG_STRUCT*)tst_msg.get(), &pd, &msg_type);
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TESTASSERT(msg_type == LIBLTE_MME_MSG_TYPE_ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST);
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// Unpack message
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err = liblte_mme_unpack_activate_dedicated_eps_bearer_context_request_msg((LIBLTE_BYTE_MSG_STRUCT*)tst_msg.get(),
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&ded_bearer_req);
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TESTASSERT(err == LIBLTE_SUCCESS);
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// Check EPS bearer identity
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TESTASSERT(ded_bearer_req.eps_bearer_id == 6);
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// Procedure transaction Identity
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TESTASSERT(ded_bearer_req.proc_transaction_id == 0);
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// Linked EPS bearer identity
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TESTASSERT(ded_bearer_req.linked_eps_bearer_id == 5);
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// EPS quality of service
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TESTASSERT(ded_bearer_req.eps_qos.qci == 1);
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// Traffic flow template
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TESTASSERT(ded_bearer_req.tft.tft_op_code == LIBLTE_MME_TFT_OPERATION_CODE_CREATE_NEW_TFT);
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TESTASSERT(ded_bearer_req.tft.parameter_list_size == 0);
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TESTASSERT(ded_bearer_req.tft.packet_filter_list_size == 1);
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TESTASSERT(ded_bearer_req.tft.packet_filter_list[0].dir == LIBLTE_MME_TFT_PACKET_FILTER_DIRECTION_BIDIRECTIONAL);
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TESTASSERT(ded_bearer_req.tft.packet_filter_list[0].id == 1); // TODO Should this be 2?
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TESTASSERT(ded_bearer_req.tft.packet_filter_list[0].eval_precedence == 0);
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TESTASSERT(ded_bearer_req.tft.packet_filter_list[0].filter_size == 3);
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TESTASSERT(ded_bearer_req.tft.packet_filter_list[0].filter[0] ==
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LIBLTE_MME_TFT_PACKET_FILTER_COMPONENT_TYPE_ID_SINGLE_LOCAL_PORT_TYPE);
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uint16_t port;
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srsran::uint8_to_uint16(&ded_bearer_req.tft.packet_filter_list[0].filter[1], &port);
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TESTASSERT(port == 2222);
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// Linked Transaction Identifier
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TESTASSERT(ded_bearer_req.transaction_id_present == true);
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TESTASSERT(ded_bearer_req.transaction_id.ti_flag == LIBLTE_MME_TI_FLAG_SENT_FROM_ORIGINATOR);
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TESTASSERT(ded_bearer_req.transaction_id.tio == 0);
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TESTASSERT(ded_bearer_req.transaction_id.tie == 0x42);
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// Radio Priority
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TESTASSERT(ded_bearer_req.radio_prio_present == true);
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TESTASSERT(ded_bearer_req.radio_prio == 1);
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// Packet flow identifier
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TESTASSERT(ded_bearer_req.packet_flow_id_present == true);
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TESTASSERT(ded_bearer_req.packet_flow_id == 77); // Test flow id
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// NAS Activate Dedicated EPS Bearer Context Setup Request Pack Test (TODO)
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srslog::flush();
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printf("Test NAS Activate Dedicated EPS Bearer Context Request successfull\n");
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return SRSRAN_SUCCESS;
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}
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int downlink_generic_nas_transport_unpacking_test()
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{
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uint8_t nas_message[] = {
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0x27, 0xae, 0x80, 0xc8, 0xf9, 0x06, 0x07, 0x68, 0x01, 0x00, 0x06, 0xf0, 0x00, 0x00, 0x00, 0x08, 0x70};
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srsran::unique_byte_buffer_t buf;
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LIBLTE_MME_DOWNLINK_GENERIC_NAS_TRANSPORT_MSG_STRUCT dl_generic_nas_transport;
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LIBLTE_ERROR_ENUM err;
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copy_msg_to_buffer(buf, nas_message);
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err = liblte_mme_unpack_downlink_generic_nas_transport_msg((LIBLTE_BYTE_MSG_STRUCT*)buf.get(),
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&dl_generic_nas_transport);
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TESTASSERT(err == LIBLTE_SUCCESS);
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TESTASSERT(dl_generic_nas_transport.generic_msg_cont_type == 1);
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TESTASSERT(dl_generic_nas_transport.generic_msg_cont.N_bytes == 6);
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TESTASSERT(dl_generic_nas_transport.add_info_present == false);
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return SRSRAN_SUCCESS;
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}
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int downlink_generic_nas_transport_packing_test()
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{
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uint8_t nas_message[] = {
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0x27, 0x00, 0x00, 0x00, 0x00, 0xff, 0x07, 0x68, 0x01, 0x00, 0x06, 0xf0, 0x00, 0x00, 0x00, 0x08, 0x70};
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uint8_t generic_msg_cont[] = {0xf0, 0x00, 0x00, 0x00, 0x08, 0x70};
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LIBLTE_BYTE_MSG_STRUCT buf = {};
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LIBLTE_MME_DOWNLINK_GENERIC_NAS_TRANSPORT_MSG_STRUCT dl_generic_nas_transport;
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LIBLTE_ERROR_ENUM err;
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dl_generic_nas_transport.generic_msg_cont_type = 1;
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dl_generic_nas_transport.generic_msg_cont.N_bytes = sizeof(generic_msg_cont);
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memcpy(dl_generic_nas_transport.generic_msg_cont.msg, generic_msg_cont, sizeof(generic_msg_cont));
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dl_generic_nas_transport.add_info_present = false;
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err = liblte_mme_pack_downlink_generic_nas_transport_msg(
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&dl_generic_nas_transport, LIBLTE_MME_SECURITY_HDR_TYPE_INTEGRITY_AND_CIPHERED, 0xffffffff, &buf);
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TESTASSERT(err == LIBLTE_SUCCESS);
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TESTASSERT(buf.N_bytes == sizeof(nas_message));
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TESTASSERT(memcmp(buf.msg, nas_message, buf.N_bytes) == 0);
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return SRSRAN_SUCCESS;
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}
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int downlink_generic_nas_transport_with_add_info_unpacking_test()
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{
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uint8_t nas_message[] = {0x27, 0xae, 0x80, 0xc8, 0xf9, 0x06, 0x07, 0x68, 0x01, 0x00, 0x06,
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0xf0, 0x00, 0x00, 0x00, 0x08, 0x70, 0x65, 0x02, 0x11, 0x11};
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srsran::unique_byte_buffer_t buf;
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LIBLTE_MME_DOWNLINK_GENERIC_NAS_TRANSPORT_MSG_STRUCT dl_generic_nas_transport;
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LIBLTE_ERROR_ENUM err;
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copy_msg_to_buffer(buf, nas_message);
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err = liblte_mme_unpack_downlink_generic_nas_transport_msg((LIBLTE_BYTE_MSG_STRUCT*)buf.get(),
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&dl_generic_nas_transport);
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TESTASSERT(err == LIBLTE_SUCCESS);
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TESTASSERT(dl_generic_nas_transport.generic_msg_cont_type == 1);
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TESTASSERT(dl_generic_nas_transport.generic_msg_cont.N_bytes == 6);
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TESTASSERT(dl_generic_nas_transport.add_info_present == true);
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TESTASSERT(dl_generic_nas_transport.add_info.N_octets == 2);
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return SRSRAN_SUCCESS;
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}
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int downlink_generic_nas_transport_with_add_info_packing_test()
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{
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uint8_t nas_message[] = {0x27, 0x00, 0x00, 0x00, 0x00, 0xff, 0x07, 0x68, 0x01, 0x00, 0x06,
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0xf0, 0x00, 0x00, 0x00, 0x08, 0x70, 0x65, 0x02, 0x11, 0x11};
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uint8_t generic_msg_cont[] = {0xf0, 0x00, 0x00, 0x00, 0x08, 0x70};
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uint8_t add_info[] = {0x11, 0x11};
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LIBLTE_BYTE_MSG_STRUCT buf = {};
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LIBLTE_MME_DOWNLINK_GENERIC_NAS_TRANSPORT_MSG_STRUCT dl_generic_nas_transport;
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LIBLTE_ERROR_ENUM err;
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dl_generic_nas_transport.generic_msg_cont_type = 1;
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dl_generic_nas_transport.generic_msg_cont.N_bytes = sizeof(generic_msg_cont);
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memcpy(dl_generic_nas_transport.generic_msg_cont.msg, generic_msg_cont, sizeof(generic_msg_cont));
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dl_generic_nas_transport.add_info_present = true;
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dl_generic_nas_transport.add_info.N_octets = sizeof(add_info);
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memcpy(dl_generic_nas_transport.add_info.info, add_info, sizeof(add_info));
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err = liblte_mme_pack_downlink_generic_nas_transport_msg(
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&dl_generic_nas_transport, LIBLTE_MME_SECURITY_HDR_TYPE_INTEGRITY_AND_CIPHERED, 0xffffffff, &buf);
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TESTASSERT(err == LIBLTE_SUCCESS);
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TESTASSERT(buf.N_bytes == sizeof(nas_message));
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TESTASSERT(memcmp(buf.msg, nas_message, buf.N_bytes) == 0);
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return SRSRAN_SUCCESS;
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}
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int main(int argc, char** argv)
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{
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auto& asn1_logger = srslog::fetch_basic_logger("ASN1", false);
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asn1_logger.set_level(srslog::basic_levels::debug);
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asn1_logger.set_hex_dump_max_size(-1);
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srsran::test_init(argc, argv);
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TESTASSERT(nas_dedicated_eps_bearer_context_setup_request_test() == SRSRAN_SUCCESS);
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TESTASSERT(downlink_generic_nas_transport_unpacking_test() == SRSRAN_SUCCESS);
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TESTASSERT(downlink_generic_nas_transport_packing_test() == SRSRAN_SUCCESS);
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TESTASSERT(downlink_generic_nas_transport_with_add_info_unpacking_test() == SRSRAN_SUCCESS);
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TESTASSERT(downlink_generic_nas_transport_with_add_info_packing_test() == SRSRAN_SUCCESS);
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return SRSRAN_SUCCESS;
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}
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